Abstract
In this paper, hydraulic experimental research on dual spool sleeve valve has been made, and design of test bench, installation of the sensor, the experiment process and experimental results are introduced. The natural frequency of dual spool structure in the anhydrous state has been measured, static experiment on the flow characteristics of control valve has been performed, time-domain peak-to-peak analysis and spectral analysis on pressure pulsation dynamic data were conducted, and time-domain vibration displacement analysis and spectral analysis on tri-axial vibration data have been carried out. Miniature high-frequency dynamic sensor and its acquisition system was used to measure the control valve vibration parameters and the fluctuating pressure parameters of the interior critical points of the valve chamber, and finally data analysis.
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